<template>
    <div class="app-container">
        <div class="el-toolbar">
            <div class="el-toolbar-body" style="justify-content: flex-start;">
                <a href="http://localhost:8000/cmn/dict/exportData" target="_blank">
                    <el-button type="text"><i class="fa fa-plus"/> 导出</el-button>
                </a>
                <el-button type="text" @click="importData"><i class="fa fa-plus"/> 导入</el-button>
            </div>
        </div>
    <el-table
        :data="list"
        style="width: 100%"
        row-key="id"
        border
        lazy
        :load="getChildrens"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}">

        <el-table-column label="名称" width="230" align="left">
            <template slot-scope="scope">
                <span>{{ scope.row.name }}</span>
            </template>
        </el-table-column>
        <el-table-column label="编码" width="220">
            <template slot-scope="{row}">
                {{ row.dictCode }}
            </template>
        </el-table-column>
        <el-table-column label="值" width="230" align="left">
            <template slot-scope="scope">
                <span>{{ scope.row.value }}</span>
            </template>
        </el-table-column>

        <el-table-column label="创建时间" align="center">
            <template slot-scope="scope">
                <span>{{ scope.row.createTime }}</span>
            </template>
        </el-table-column>
    </el-table>

        <el-dialog title="导入" :visible.sync="dialogImportVisible" width="480px">
            <el-form label-position="right" label-width="170px">

                <el-form-item label="文件">
                    <el-upload
                        :multiple="false"
                        :on-success="onUploadSuccess"
                        :action="'http://localhost:8000/cmn/dict/importDict'"
                        class="upload-demo"
                        :before-upload="mbeforeupload">
                        <el-button size="small" type="primary">点击上传</el-button>
                        <div slot="tip" class="el-upload__tip">只能上传excel文件，且不超过500kb</div>
                    </el-upload>
                </el-form-item>

            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogImportVisible = false">
                    取消
                </el-button>
            </div>
        </el-dialog>
</div>
</template>

<script>
import dict from '@/api/dict'
export default {
    name: "list",
    data() {
        return {
            dialogImportVisible:false,//设置弹框是否弹出
            list:[], //数据字典列表数组
            file:[],
        }
    },
    created() {
        this.getDictList(1)
    },
    methods:{
        //限制上传格式
        mbeforeupload(file){
            this.file=[]
            let extension = file.name.substring(file.name.lastIndexOf('.')+1);
            let size = file.size/1024/1024;
            if(extension !=='xlsx' ) {
            this.$message.warning('只能上传后缀是.xlsx的文件')
                return false;
              }else {
                if(size > 10) {
                    return false;
                    this. $message.warning( '文件大小不得超过10M')
                }else {
                    this.file.push(file)
                    return true;
                }
            }
        },
        //打开导入
        importData() {
            this.dialogImportVisible = true
        },
        //上传成功调用
        onUploadSuccess() {
            //关闭弹框
            this.dialogImportVisible = false
            //刷新页面
            this.getDictList(1)
        },
        //获取数据
        getDictList(id) {
            dict.dictList(id)
                .then(response => {
                    this.list = response.data
                })
        },
        //获取子节点
        getChildrens(tree, treeNode, resolve) {
            dict.dictList(tree.id).then(response => {
                resolve(response.data)
            })
        }
    }
}
</script>

<style scoped>

</style>
